Removed NCOMBFLEN parameter #488

Job	Run time
ci (Release, linux gnu-10)	10m 9s
ci (Release, linux clang-12)	9m 25s
ci (Release, linux nvhpc-21.9)	18m 14s
ci (Release, linux intel-classic)	14m 34s
ci (Release, macos)	14m 2s
ci (Debug, linux gnu-10)	11m 36s
ci (Debug, linux clang-12)	9m 9s
ci (Debug, linux nvhpc-21.9)	21m 9s
ci (Debug, linux intel-classic)	14m 28s
ci (Debug, macos)	14m 7s
	2h 16m 53s

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